package com.company.jd;

import com.company.bilibili.Main;

public class Test {
    private static int x = 10;
    private static Integer y = 10;

    public static void updataX(int val){
        val = 3 * val;
    }

    public static void updateY (Integer val){
        val = 3* val;
    }

    public static void main(String[] args) throws ClassNotFoundException {
        System.out.println(A.a);
}

}
